What were the applications of early dictating machines?

In 1877, Edison invented a carbon button microphone that made the telephone a more practical instrument. ... There are interpretive and informative ... This is a sweet & simple mini (informational) reader and poster set to help teach about the famous inventor, Thomas Edison. "Thomas Edison Invents the Light Bulb" is an informative book that tells the story of one of the most famous inventions in history. The book discusses the ... Each slide contains facts about an aspect of Thomas Edison's life, as well as information and history about his inventions. If you are teaching a lesson about ... —Inventor Thomas Edison's early light bulbs, phonographs, and laboratory ... Do Not Sell or Share My Personal Information. Our Sites. National Geographic ... Jan 28, 2019 ... Henry Ford, Thomas Edison, and an original Edison helper from the ... Menlo Park truly was an invention factory - Edison didn't necessarily invent ... Feb 9, 2020 ... ... information dissemination — were obliterated in just a few decades. ... I wonder if Edison knew the impact of his invention before it became a ... A fun, informative introduction to the life and times of supreme inventor Thomas Alva Edison. This combination of biography, history, and science Jun 18, 2020 ... Detail of Kinetoscope, made by Thomas Edison in 1894. Science Museum Group Collection More information about Edison Kinetoscope. Lumière ... Thomas Edison was a successful inventor, but his friend, Henry Ford, struggled to make his idea of an affordable car work. Thomas had a secret to help ...